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AS7058 Datasheet(PDF) 81 Page - ams-OSRAM AG

Part # AS7058
Description  IC for PPG, ECG and body impedance measurement
PDF  199 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS7058 Datasheet(HTML) 81 Page - ams-OSRAM AG

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AS7058
Register description
Datasheet • PUBLIC • Document Feedback
DS001077 • v2-00 • 2025-Sep-24
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8.3.2
REF_CFG1 register (Address 0x19)
Table 24: REF_CFG1 register
Addr: 0x19
REF_CFG1
Bit
Bit name
Default
Access
Bit description
5
sel_vcm
0
RW
Selection of the common mode voltage.
0: VCM = 0.75 V
1: VCM =0.8 V
4
en_bg
0
RW
Enable the bandgap.
0: Power down
1: Enabled
3
en_vcm_ppg
0
RW
Enable the PPG common-mode voltage reference.
0: Power down
1: Enabled
2
en_vr_led
0
RW
Enable the LED driver voltage reference.
0: Power down
1: Enabled
1
en_bias_iref
0
RW
Enable the current reference source.
0: Power down
1: Enabled
0
en_bias_ppg_idac
0
RW
Enable IOS DAC and IREF DAC.
0: Disabled
1: Enabled



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